Filter
Top Products
RS422/V.35/
RS232
+G703
OPTION
INTERFACE
RS449/
EIA530/
TWIN BNC
DATA PORT
Sync/Async
ESC.PORT
(sync with
octet timing)
Dual 4 wire
audio
interface
Sync/Async
aux port
(Sync with
Octet timing)
“Async port”
IDR
ESC
OPTION
RS232/422/
485 INTERFACE
INSERT
MUX
UART
SYNC
PCM
32K
ADPCM
AUX
OUT
DPLL
BLANK PCM
FRAME GEN
Rx
BUFFER
Tx
PLL
Rate
Convert
DEFRAMER
From FEC/Demodulator
FRAMER
INTERLEAVER
To FEC/Modulator
RS
DECODER
RS
ENCODER
INTERNAL
BER
TESTER
Tx
FIFO
DROP
MUX
Rx
CLOCK
DE-
INTERLEAVER
Rx
PLL
AUX
AUX
ESC
ESC
STATION
CLOCK
Tx CLOCK IN
Tx CLOCK IN
T1000 ASIC
INTERNAL
1PPM
INTERNAL
1PPM
3P
3P
3P
3P
2P
2P
IDR OPT
FITTED
IN
OUT
INT
CLK
P300H P300 Series Modem Installation and Operating Handbook Page 21
3.6 BLOCK DIAGRAM